The Master and His Emissary: The Divided Brain and the Western World

A groundbreaking exploration of the disparities between the right and left hemispheres of the brain and their impact on society, history, and culture—“one of the few modern works deserving the status of a classic” (Nicholas Shakespeare, Times, UK). “Compellingly asserts that our society is suffering due to the dominant left hemisphere losing connection with its natural regulatory ‘master,’ the right. Brilliant and unsettling.”—Salley Vickers, a Guardian Best Book of the Year. “I am not aware of a better explanation of the present state of functional brain neuroscience.”—W. F. Bynum, Times Literary Supplement.

Why is the brain split in two? The distinction between the right and left hemispheres has puzzled thinkers for centuries. Utilizing an extensive body of brain research, Iain McGilchrist, a renowned psychiatrist, author, and intellectual, unveils the profound disparity between the two sides—two complete, coherent, yet incompatible ways of perceiving the world. The left hemisphere, with its attention to detail, leans toward mechanical processes rather than living beings and tends to prioritize self-interest. Conversely, the right hemisphere possesses greater variety, adaptability, and benevolence.

In the latter part of his book, McGilchrist embarks on a journey through the history of Western culture, exemplifying the tension between these two realms as reflected in the thoughts and beliefs of philosophers and artists from ancient to modern times, ranging from Aeschylus to Magritte. Ultimately, he posits that, despite its limited comprehension of reality, the left hemisphere is increasingly prevailing in today’s society—with potentially catastrophic consequences.

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